If x belongs to S a non empty set of real number then
a)Infemum of x = supremum of x
b) Infemum of x = - Supremum (-x)
c) Infemum of x = supremum of (-x)
d)Infemum of x = - supremum of x
a)Infemum of x = supremum of x
b) Infemum of x = - Supremum (-x)
c) Infemum of x = supremum of (-x)
d)Infemum of x = - supremum of x
